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Foundation Inspection Cost: $300–$3,000 (Average $600) in 2026

Author: CostGuideHQ Editorial·✓ Fact-checked·Updated July 2026·6 min read·5 sources·US national averages, USD
Quick answerQuick answer: Most homeowners pay $300 to $3,000 for a foundation inspection, averaging $600 nationally. A typical, non-complex inspection runs $300 to $800. Foundation type, accessibility, home size, and the engineer's hourly rate — usually $100 to $200 — drive the final price.
  • A foundation inspection typically costs $300 to $3,000, averaging $600 nationally (Angi, Forbes Home, This Old House).
  • A straightforward, non-complex inspection usually lands in the $300 to $800 range (Forbes Home).
  • Slab foundations are cheapest to inspect at $300 to $600, while pier and beam runs up to $700 to $1,000 (Angi, HomeGuide).
  • Structural engineers typically charge $100 to $200 per hour for the inspection itself (Angi, Bob Vila).

How much does foundation inspection cost?

National average
$600
per inspection
Typical range
$300–$3,000
Most projects
Whole project
$300–$800
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Cost by material / type

TypeLowHigh
concrete slab$300$600
crawl space$400$800
basement (unfinished to finished)$350$1,000
pier and beam$500$1,000
Estimate your cost
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Rough estimate only — get local quotes for exact pricing.

What affects the cost?

  • Home size — cost climbs with square footage: HomeGuide's table runs from $250-$500 at 1,000 sq ft up to $750-$1,200 at 3,000 sq ft, and Angi shows a near-identical $300-$500 to $750-$1,200 progression over the same size range
  • Foundation type — slab foundations are cheapest to inspect at $300-$600, while pier and beam runs $500-$1,000 to $700-$1,000 because the inspector has to check each pier and the crawl space underneath (Angi, HomeGuide)
  • Accessibility — finished basements and crowded or obstructed crawl spaces take longer to inspect than an empty unfinished basement or an open slab, and labor is nearly the entire bill, so anything that slows the inspector down raises the price (Angi, HomeGuide)
  • Structural engineer's hourly rate — most engineers charge $100 to $200 per hour (Angi, Bob Vila), though HomeGuide cites $100 to $220 per hour for harder jobs and This Old House cites a wider $100 to $500 per hour
  • Inspection length — a straightforward 1-hour visit runs $200-$500, while a complex inspection of 4 or more hours runs $500-$3,000 (Angi)
  • Location and market conditions — inspector rates run higher in areas with a higher cost of living and more active real estate markets (HomeGuide), and structural engineers book out further in advance in hot markets, which can push cost and wait time up (Angi)
  • Permits — some municipalities require an inspection permit costing $100 to $400, with new-construction inspections landing on the higher end (Angi)

How much does a foundation inspection cost?

Most homeowners pay $300 to $3,000 for a professional foundation inspection, averaging around $600 nationally — that $600 figure shows up across Angi, Forbes Home, and This Old House. If your home and foundation are straightforward, expect the lower, everyday end of that range: Forbes Home puts typical jobs at $300 to $800. The cost only climbs toward $1,000 to $3,000 when the foundation is bigger or more complicated to access (Forbes Home, Bob Vila), and Angi notes the very largest jobs can run as high as $3,800. HomeGuide, drawing on its own provider network, reports a tighter national average of $550 with a $300 to $750 typical range — close enough to the same ballpark, just a narrower slice of it.

What affects the cost?

A few things explain the spread between a $300 slab inspection and a $3,000 complex job:

  • Foundation type. A concrete slab is cheapest to inspect at $300 to $600. Crawl spaces run $400 to $800, basements $350 to $1,000 depending on whether they’re finished, and pier and beam foundations run highest at $500 to $1,000+, since the inspector has to check every individual pier (Angi, HomeGuide).
  • Home size. Bigger homes mean more foundation to cover. HomeGuide’s table climbs from $250 to $500 at 1,000 square feet up to $750 to $1,200 at 3,000 square feet — Angi shows nearly the same progression.
  • Accessibility. Labor is almost the entire bill, so anything that slows the inspector down — a finished basement with walls and flooring, or a crawl space packed with storage — pushes the price up (Angi, HomeGuide).
  • Inspection length. Angi ties price directly to time on-site: a 1-hour inspection runs $200 to $500, while a 4-plus-hour inspection runs $500 to $3,000.
  • Structural engineer’s rate. Most engineers charge $100 to $200 per hour (Angi, Bob Vila), though rates can run as high as $500 per hour depending on the market (This Old House).
  • Location and market conditions. Inspector rates run higher in areas with a higher cost of living and more active real estate markets, and engineers can be booked out further in busy markets (HomeGuide, Angi).
  • Permits. Some municipalities require a separate inspection permit, adding $100 to $400 on top of the inspector’s fee (Angi).

How can I keep the cost down?

  • Get the inspection before problems get worse. Waiting doesn’t just risk bigger repairs — it can also mean a longer, costlier inspection if damage has spread. Tom Silva, general contractor at This Old House, says “a crack that changes or grows over the seasons is a sign of instability and should be looked at by a foundation expert.”
  • Clear the space first. Since labor drives the price, removing debris and clutter from a basement or crawl space beforehand can shorten the job (Angi, HomeGuide).
  • Ask about hourly vs. flat-rate pricing upfront. With engineer rates ranging $100 to $200 per hour on the low end up to $500 per hour on the high end (Angi, Bob Vila, This Old House), a flat quote can protect you from an inspection that runs long.
  • Know your foundation type going in. If you have a simple slab foundation, expect to pay closer to $300 to $600 rather than the higher figures quoted for pier and beam or finished-basement jobs (Angi, HomeGuide).

Foundation inspection pricing varies by region, home size, and foundation type, so treat these figures as a planning budget. Confirm whether the quote includes a full written engineering report, and ask what permits — if any — are required before the inspection starts.

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Frequently asked questions

How much does a foundation inspection cost on average?
Most homeowners pay $300 to $3,000, averaging $600 nationally (Angi, Forbes Home, This Old House). A typical, non-complex job runs closer to $300 to $800 (Forbes Home), with larger or more complicated foundations pushing into the $1,000 to $3,000 range (Forbes Home, Bob Vila).
What's the cheapest type of foundation to get inspected?
A concrete slab foundation, at $300 to $600. It's the easiest to access, since there's no crawl space or basement to navigate (Angi, HomeGuide).
Why do pier and beam and basement inspections cost more?
The inspector has to check each individual pier and beam, plus the crawl space underneath, which is more time-consuming — Angi and HomeGuide both put pier and beam at $500 to $1,000+. Basements run $350 to $1,000 depending on whether they're unfinished (faster, less obstructed) or finished, where walls and flooring slow the inspector down (HomeGuide).
How much do structural engineers charge per hour?
Most sources land on $100 to $200 per hour (Angi, Bob Vila). HomeGuide cites a slightly wider $100 to $220 per hour for harder jobs, and This Old House cites $100 to $500 per hour.
Does the price change based on how long the inspection takes?
Yes — Angi's data shows a 1-hour inspection running $200 to $500, while an inspection of 4 or more hours can run $500 to $3,000, since labor is nearly the entire cost of the job.
Does a foundation inspection cost include repairs?
No. Every source treats the inspection and engineering report as a separate line item from any repair work. Angi puts foundation repair costs at $2,200 to $7,800, well above the inspection fee.
Are permits included in the inspection cost?
Not usually. Angi notes that some municipalities require a separate inspection permit costing $100 to $400, on top of the inspector's fee.

Sources

Figures synthesized and cross-checked across these sources (retrieved 2026-07-28):

  • Angi — Professional foundation inspection costs range from $230 to $3,800. Most consumers pay anywhere from $300 to $3,000, though the average price is $600. By home size: 1,000 sq ft $300-$500; 1,500 sq ft $400-$750; 2,000 sq ft $500-$900; 2,500 sq ft $600-$1,000; 3,000 sq ft $750-$1,200. By foundation type: slab $300-$600; pier and beam $700-$1,000; crawl space $400-$800; basement $500-$1,000. By inspection time: 1 hour $200-$500; 2 hours $250-$1,000; 3 hours $400-$1,500; 4+ hours $500-$3,000. Structural engineer rate $100-$200 per hour. Permits $100-$400. Foundation repair costs $2,200-$7,800; a full foundation lift costs $20,000-$30,000.
  • HomeGuide — A foundation inspection costs $300 to $750, depending on home size and foundation type. National average cost $550; minimum cost $200; maximum cost $1,500; average range $300-$750. Structural engineers charge an hourly rate of $100-$220 per hour for more difficult inspections. By home size: 1,000 sq ft $250-$500; 1,200 sq ft $300-$600; 1,500 sq ft $375-$750; 1,800 sq ft $450-$800; 2,000 sq ft $500-$900; 2,500 sq ft $625-$1,000; 3,000 sq ft $750-$1,200. By foundation type: concrete slab $300-$600; unfinished basement $350-$700; finished basement $500-$800; crawlspace $400-$700; pier and beam $500-$1,000. Soil compaction tests $10-$100; new-construction geotechnical survey $1,000-$5,000.
  • Forbes Home — Foundation inspections typically cost between $300 and $800, but more complex and bigger foundations can cost between $1,000 and $3,000. On average, a foundation inspection costs around $600. Average cost $600; highest cost $3,000; lowest cost $300. Cost factors: home size and complexity, home location and proximity to fault lines, foundation type and material, accessibility to the foundation, and structural engineer rate.
  • This Old House — Foundation inspections cost an average of $600 but typically range from $300 to $1,000. Structural engineers charge between $100 and $500 per hour. At a cost of about $0.50-$2 per square foot. By home size: 1,000 sq ft $500-$2,000 (avg $1,250); 1,500 sq ft $750-$3,000 (avg $1,875); 2,000 sq ft $1,000-$4,000 (avg $2,500); 3,000 sq ft $1,500-$6,000 (avg $3,750). By inspection time: 1 hour $100-$500; 2 hours $200-$1,000; 3 hours $300-$1,500; 4 hours $400-$2,000.
  • Bob Vila — The average foundation inspection cost ranges between $400 and $750, but a complex project that requires detailed plans could cost upward of $1,000 to $3,000. A structural engineer report can cost between $300 and $1,000, and structural engineers charge between $100 and $200 per hour.

Five sources cluster tightly around a $600 national average — that figure appears verbatim in Angi, Forbes Home, and This Old House, HomeGuide's average is close at $550, and Bob Vila's stated typical range ($400-$750) brackets the same number — so national_average_usd is anchored to that $600 consensus. For the headline range, range_low_usd/range_high_usd use Angi's verbatim statement that 'most consumers pay anywhere from $300 to $3,000,' which is the widest figure directly describing what typical-through-complex jobs cost; it lines up with Forbes Home and Bob Vila, both of which describe an everyday range ($300-$800 and $400-$750) that jumps to $1,000-$3,000 for 'complex and bigger' foundations, and with Angi's own upper bound of $3,800 for the largest jobs. HomeGuide reports a narrower overall spread ($200-$1,500), reflecting its own provider database rather than a directly comparable figure. project_low_usd/project_high_usd ($300-$800) represent the everyday, non-complex job cost, taken verbatim from Forbes Home. by_type figures come from the two sources that break cost out by foundation type, Angi and HomeGuide; the basement row merges HomeGuide's unfinished ($350-$700) and finished ($500-$800) splits with Angi's single basement figure ($500-$1,000) into one low-high range. All figures cover the inspection and engineering-report fee only — they exclude any repair work, permits, or geotechnical surveys for new construction, which every source prices as a separate line item.